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authorChunfeng Yun <chunfeng.yun@mediatek.com>2021-03-23 10:02:53 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2021-03-26 16:46:39 +0300
commita099d36884365748d68d77d0873e3e91f507ed12 (patch)
treefe8fc102201a58ddb0bb37ef9459fa4d9ac7099f /drivers/usb/mtu3
parentb1a344589eeaa52be43fba1bde20d483e01018ff (diff)
downloadlinux-a099d36884365748d68d77d0873e3e91f507ed12.tar.xz
usb: mtu3: add support ip-sleep wakeup for MT8192
Add add support ip-sleep wakeup for MT8192, it's a specific revision, not following IPM rule. Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com> Link: https://lore.kernel.org/r/1616482975-17841-11-git-send-email-chunfeng.yun@mediatek.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/mtu3')
-rw-r--r--drivers/usb/mtu3/mtu3_host.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/usb/mtu3/mtu3_host.c b/drivers/usb/mtu3/mtu3_host.c
index a746bebc93e9..0a8cd446cf1b 100644
--- a/drivers/usb/mtu3/mtu3_host.c
+++ b/drivers/usb/mtu3/mtu3_host.c
@@ -30,6 +30,10 @@
#define WC0_IS_P BIT(12) /* polarity */
#define WC0_IS_EN BIT(6)
+/* mt8192 */
+#define WC0_SSUSB0_CDEN BIT(6)
+#define WC0_IS_SPM_EN BIT(1)
+
/* mt2712 etc */
#define PERI_SSUSB_SPM_CTRL 0x0
#define SSC_IP_SLEEP_EN BIT(4)
@@ -39,6 +43,7 @@ enum ssusb_uwk_vers {
SSUSB_UWK_V1 = 1,
SSUSB_UWK_V2,
SSUSB_UWK_V1_1 = 101, /* specific revision 1.01 */
+ SSUSB_UWK_V1_2, /* specific revision 1.02 */
};
/*
@@ -60,6 +65,11 @@ static void ssusb_wakeup_ip_sleep_set(struct ssusb_mtk *ssusb, bool enable)
msk = WC0_IS_EN | WC0_IS_C(0xf) | WC0_IS_P;
val = enable ? (WC0_IS_EN | WC0_IS_C(0x8)) : 0;
break;
+ case SSUSB_UWK_V1_2:
+ reg = ssusb->uwk_reg_base + PERI_WK_CTRL0;
+ msk = WC0_SSUSB0_CDEN | WC0_IS_SPM_EN;
+ val = enable ? msk : 0;
+ break;
case SSUSB_UWK_V2:
reg = ssusb->uwk_reg_base + PERI_SSUSB_SPM_CTRL;
msk = SSC_IP_SLEEP_EN | SSC_SPM_INT_EN;